In Churchill, Canada, polar bears gather by the hundreds in the fall, waiting for the nearby bay to freeze. The human ...

The life and work of the only person to have conducted extensive studies of black bears, polar bears and grizzly bears in the world. The film focuses primarily on Dr. Jonkel's work in Canada on polar ...

A polar bear feasts on a seal it captured in the receding tide along the Hudson Bay Lowlands. Ryan St. John peers through his binoculars on the shore of Hudson Bay near his home community of Arviat, ...

Bear X33991 leading her two cubs along the ice. Dave Sandford / Discover Churchill (Wildlife Photographer, Guide, and Polar Bears International Photo Ambassador) Get the Popular Science daily ...

When scientists in Canada came across a female polar bear with two cubs in the fall, they made an unusual discovery: One of the young was not her own offspring but instead a rare documented example of ...